I have a vintage Ludwig standard aluminum snare that was missing the muffler. Went to the local shop and all they had were the new Ludwig replacement mufflers. Was not sure if the tom mufflers were different than snare mufflers? I was told they are the same. Got home and drilled out the hole to make it fit. Went in fine but the felt does not sit flat on the head. Did I get the wrong muffler?